Biogen’s (BIIB) decision to discontinue the global Phase 3 trials, ENGAGE and EMERGE which is designed to evaluate the efficacy and safety of its product aducanumab in patients with Alzheimer’s disease, has caused an exaggerated selloff of the stock.
The failure to treat Alzheimer’s disease is well explained by Michel Vounatsos, Biogen’s Chief Executive Officer, who stated that the failure of aducanumab drug confirms the complexity of treating Alzheimer’s disease which needs to further advance the knowledge in neuroscience.

Creating treatments for complex diseases should be based on solid . . .